Remove SWSPI which is not used/implemented

CMakeLists.txt

@@ -178,7 +178,6 @@ set(FW_SOURCES
     SpoolJoin.cpp
     stepper.cpp
     swi2c.c
-    swspi.cpp
     Tcodes.cpp
     temperature.cpp
     timer02.c

Firmware/config.h

@@ -31,7 +31,6 @@
 #define SWI2C_TMO         2048 //2048 cycles timeout
 
 //PAT9125 configuration
-//#define PAT9125_SWSPI // software SPI mode (incomplete)
 #ifdef SWI2C_SCL
 #define PAT9125_SWI2C   // software I2C mode
 #else

Firmware/pat9125.cpp

@@ -27,10 +27,7 @@
 #define PAT9125_ORIENTATION		0x19
 #define PAT9125_BANK_SELECTION	0x7f
 
-
-#if defined(PAT9125_SWSPI)
-#include "swspi.h"
-#elif defined(PAT9125_SWI2C)
+#if defined(PAT9125_SWI2C)
 #include "swi2c.h"
 #elif defined(PAT9125_I2C)
 #include "twi.h"
@@ -109,10 +106,7 @@ extern FILE _uartout;
 
 uint8_t pat9125_probe()
 {
-#if defined(PAT9125_SWSPI)
-    swspi_init();
-  #error not implemented
-#elif defined(PAT9125_SWI2C)
+#if defined(PAT9125_SWI2C)
     swi2c_init();
     return swi2c_check(PAT9125_I2C_ADDR) == 0;
 #elif defined(PAT9125_I2C)
@@ -247,12 +241,7 @@ uint8_t pat9125_update_bs(void)
 static uint8_t pat9125_rd_reg(uint8_t addr)
 {
 	uint8_t data = 0;
-#if defined(PAT9125_SWSPI)
-	swspi_start();
-	swspi_tx(addr & 0x7f);
-	data = swspi_rx();
-	swspi_stop();
-#elif defined(PAT9125_SWI2C)
+#if defined(PAT9125_SWI2C)
 	if (!swi2c_readByte_A8(PAT9125_I2C_ADDR, addr, &data)) //NO ACK error
         goto error;
 #elif defined(PAT9125_I2C)
@@ -269,12 +258,7 @@ static uint8_t pat9125_rd_reg(uint8_t addr)
 
 static void pat9125_wr_reg(uint8_t addr, uint8_t data)
 {
-#if defined(PAT9125_SWSPI)
-	swspi_start();
-	swspi_tx(addr | 0x80);
-	swspi_tx(data);
-	swspi_stop();
-#elif defined(PAT9125_SWI2C)
+#if defined(PAT9125_SWI2C)
 	if (!swi2c_writeByte_A8(PAT9125_I2C_ADDR, addr, &data)) //NO ACK error
         goto error;
 #elif defined(PAT9125_I2C)

Firmware/swspi.cpp

@@ -1,93 +0,0 @@
-#include "uni_avr_rpi.h"
-
-#ifdef __SWSPI
-#include "swspi.h"
-
-#ifdef __RPI
-//#define swspi_miso	9
-#define swspi_miso	10
-#define swspi_mosi	10
-#define swspi_sck	11
-#define SWSPI_CS	7
-#endif //__RPI
-
-
-#define SWSPI_DEL	0x0f //delay mask (0-3. bit, delay = 1 << DEL [us])
-#define SWSPI_POL	0x10 //polarity mask (4. bit, 1=inverted)
-#define SWSPI_PHA	0x20 //phase mask (5. bit)
-#define SWSPI_DOR	0x40 //data order mask (6. bit, 0=MSB first, 1=LSB first)
-
-#define SWSPI_SCK_UP if (swspi_cfg & SWSPI_POL) GPIO_CLR(swspi_sck); else GPIO_SET(swspi_sck);
-#define SWSPI_SCK_DN if (swspi_cfg & SWSPI_POL) GPIO_SET(swspi_sck); else GPIO_CLR(swspi_sck);
-
-unsigned char swspi_miso = 0;
-unsigned char swspi_mosi = 0;
-unsigned char swspi_sck = 0;
-unsigned char swspi_cfg = 0;
-
-void swspi_init(unsigned char miso, unsigned char mosi, unsigned char sck, unsigned char cfg)
-{
-	swspi_miso = miso;
-	swspi_mosi = mosi;
-	swspi_sck = sck;
-	swspi_cfg = cfg;
-	GPIO_INP(swspi_miso);
-	GPIO_OUT(swspi_mosi);
-	GPIO_OUT(swspi_sck);
-	GPIO_CLR(swspi_mosi);
-	SWSPI_SCK_DN;
-}
-
-void swspi_tx(unsigned char tx)
-{
-	int delay = 1 << (swspi_cfg & SWSPI_DEL));
-	if (swspi_miso == swspi_mosi) GPIO_OUT(swspi_mosi);
-	unsigned char i = 0; for (; i < 8; i++)
-	{
-		if (tx & 0x80) GPIO_SET(swspi_mosi);
-		else GPIO_CLR(swspi_mosi);
-	    DELAY(delay);
-		SWSPI_SCK_UP;
-	    DELAY(delay);
-		SWSPI_SCK_DN;
-		tx <<= 1;
-	}
-}
-
-unsigned char swspi_rx()
-{
-	int delay = 1 << (swspi_cfg & SWSPI_DEL));
-	if (swspi_miso == swspi_mosi) GPIO_OUT(swspi_mosi);
-	unsigned char rx = 0;
-	unsigned char i = 0; for (; i < 8; i++)
-	{
-		rx <<= 1;
-	    DELAY(delay);
-		SWSPI_SCK_UP;
-	    DELAY(delay);
-		rx |= GPIO_GET(swspi_miso)?1:0;
-		SWSPI_SCK_DN;
-	}
-	return rx;
-}
-
-unsigned char swspi_txrx(unsigned char tx)
-{
-	int delay = 1 << (swspi_cfg & SWSPI_DEL));
-	unsigned char rx = 0;
-	unsigned char i = 0; for (; i < 8; i++)
-	{
-		rx <<= 1;
-		if (tx & 0x80) GPIO_SET(swspi_mosi);
-		else GPIO_CLR(swspi_mosi);
-	    DELAY(delay);
-		SWSPI_SCK_UP;
-	    DELAY(delay);
-		rx |= GPIO_GET(swspi_miso)?1:0;
-		SWSPI_SCK_DN;
-		tx <<= 1;
-	}
-	return rx;
-}
-
-#endif //__SWSPI

Firmware/swspi.h

@@ -1,14 +0,0 @@
-// Software SPI
-#ifndef SWSPI_H
-#define SWSPI_H
-
-//initialize gpio
-extern void swspi_init(unsigned char miso, unsigned char mosi, unsigned char sck, unsigned char cfg);
-//transmit and receive (full duplex mode)
-extern unsigned char swspi_txrx(unsigned char tx);
-//transmit (half dublex mode, miso == mosi)
-extern void swspi_tx(unsigned char tx);
-//receive (half dublex mode, miso == mosi)
-extern unsigned char swspi_rx();
-
-#endif //SWSPI_H

Firmware/uni_avr_rpi.h

@@ -1,31 +0,0 @@
-// unification for AVR and RPI
-
-#ifdef __AVR
-	//#include "Arduino.h"
-	#include "Marlin.h"
-	#define GPIO_INP(gpio) pinMode(gpio, INPUT)
-	#define GPIO_OUT(gpio) pinMode(gpio, OUTPUT)
-	#define GPIO_SET(gpio) digitalWrite(gpio, HIGH)
-	#define GPIO_CLR(gpio) digitalWrite(gpio, LOW)
-	#define GPIO_GET(gpio) (digitalRead(gpio) != LOW)
-	#define DELAY(delay) delayMicroseconds(delay)
-	#define PRINT MYSERIAL.print
-#endif //RC522_AVR
-
-#ifdef __RPI
-	#include <bcm2835.h>
-	#define GPIO_INP(gpio) bcm2835_gpio_fsel(gpio, BCM2835_GPIO_FSEL_INPT)
-	#define GPIO_OUT(gpio) bcm2835_gpio_fsel(gpio, BCM2835_GPIO_FSEL_OUTP)
-	#define GPIO_SET(gpio) bcm2835_gpio_write(gpio, HIGH)
-	#define GPIO_CLR(gpio) bcm2835_gpio_write(gpio, LOW)
-	#define GPIO_GET(gpio) (bcm2835_gpio_lev(gpio) != LOW)
-	#include <unistd.h>
-	#define DELAY(delay) usleep(delay)
-	#define PRINT(p) print(p)
-	#define DEC 10
-	#define HEX 16
-	void print(const char* pc) { printf("%s", pc); }
-	void print(int v) { printf("%d", v); }
-	void print(float v) { printf("%f", v); }
-#endif //RC522_RPI
-